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Break out the JoystickHistoryView

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Henrik Rydgård 2023-02-01 14:58:16 +01:00
parent 102607a6e8
commit a88bafff4d
13 changed files with 173 additions and 133 deletions
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100
UI/JoystickHistoryView.cpp Normal file
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#include "UI/JoystickHistoryView.h"
#include "Common/UI/Context.h"
#include "Common/UI/UI.h"
// From ControlMapper.h
void ConvertAnalogStick(float &x, float &y);
void JoystickHistoryView::Draw(UIContext &dc) {
const AtlasImage *image = dc.Draw()->GetAtlas()->getImage(ImageID("I_CROSS"));
if (!image) {
return;
}
float minRadius = std::min(bounds_.w, bounds_.h) * 0.5f - image->w;
dc.Begin();
Bounds textBounds(bounds_.x, bounds_.centerY() + minRadius + 5.0, bounds_.w, bounds_.h / 2 - minRadius - 5.0);
dc.DrawTextShadowRect(title_.c_str(), textBounds, 0xFFFFFFFF, ALIGN_TOP | ALIGN_HCENTER | FLAG_WRAP_TEXT);
dc.Flush();
dc.BeginNoTex();
dc.Draw()->RectOutline(bounds_.centerX() - minRadius, bounds_.centerY() - minRadius, minRadius * 2.0f, minRadius * 2.0f, 0x80FFFFFF);
dc.Flush();
dc.Begin();
// First draw a grid.
float dx = 1.0f / 10.0f;
for (int ix = -10; ix <= 10; ix++) {
// First draw vertical lines.
float fx = ix * dx;
for (int iy = -10; iy < 10; iy++) {
float ax = fx;
float ay = iy * dx;
float bx = fx;
float by = (iy + 1) * dx;
if (type_ == StickHistoryViewType::OUTPUT) {
ConvertAnalogStick(ax, ay);
ConvertAnalogStick(bx, by);
}
ax = ax * minRadius + bounds_.centerX();
ay = ay * minRadius + bounds_.centerY();
bx = bx * minRadius + bounds_.centerX();
by = by * minRadius + bounds_.centerY();
dc.Draw()->Line(dc.theme->whiteImage, ax, ay, bx, by, 1.0, 0x70FFFFFF);
}
}
for (int iy = -10; iy <= 10; iy++) {
// Then horizontal.
float fy = iy * dx;
for (int ix = -10; ix < 10; ix++) {
float ax = ix * dx;
float ay = fy;
float bx = (ix + 1) * dx;
float by = fy;
if (type_ == StickHistoryViewType::OUTPUT) {
ConvertAnalogStick(ax, ay);
ConvertAnalogStick(bx, by);
}
ax = ax * minRadius + bounds_.centerX();
ay = ay * minRadius + bounds_.centerY();
bx = bx * minRadius + bounds_.centerX();
by = by * minRadius + bounds_.centerY();
dc.Draw()->Line(dc.theme->whiteImage, ax, ay, bx, by, 1.0, 0x70FFFFFF);
}
}
int a = maxCount_ - (int)locations_.size();
for (auto iter = locations_.begin(); iter != locations_.end(); ++iter) {
float x = bounds_.centerX() + minRadius * iter->x;
float y = bounds_.centerY() - minRadius * iter->y;
float alpha = (float)a / (float)(maxCount_ - 1);
if (alpha < 0.0f) {
alpha = 0.0f;
}
// Emphasize the newest (higher) ones.
alpha = powf(alpha, 3.7f);
// Highlight the output.
if (alpha >= 1.0f && type_ == StickHistoryViewType::OUTPUT) {
dc.Draw()->DrawImage(ImageID("I_CIRCLE"), x, y, 1.0f, colorAlpha(0xFFFFFF, 1.0), ALIGN_CENTER);
} else {
dc.Draw()->DrawImage(ImageID("I_CIRCLE"), x, y, 0.8f, colorAlpha(0xC0C0C0, alpha * 0.5f), ALIGN_CENTER);
}
a++;
}
dc.Flush();
}
void JoystickHistoryView::Update() {
locations_.push_back(Location{ curX_, curY_ });
if ((int)locations_.size() > maxCount_) {
locations_.pop_front();
}
}